diff options
| author | Steve French <sfrench@us.ibm.com> | 2006-06-20 20:36:38 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2006-06-20 20:36:38 +0000 |
| commit | 75ba632a01d4dc70d0a0f3a92b5ec9b4a3644b2d (patch) | |
| tree | c2f02ee30609d0d69308b4ca80d68d02a5f85552 /net/ipv4/tcp_ipv4.c | |
| parent | 0fd1ffe0633b4b039b343b753598e6df435e034d (diff) | |
| parent | 25f42b6af09e34c3f92107b36b5aa6edc2fdba2f (diff) | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 672950e54c49..25ecc6e2478b 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -71,6 +71,7 @@ #include <net/inet_common.h> #include <net/timewait_sock.h> #include <net/xfrm.h> +#include <net/netdma.h> #include <linux/inet.h> #include <linux/ipv6.h> @@ -1091,8 +1092,18 @@ process: bh_lock_sock(sk); ret = 0; if (!sock_owned_by_user(sk)) { - if (!tcp_prequeue(sk, skb)) +#ifdef CONFIG_NET_DMA + struct tcp_sock *tp = tcp_sk(sk); + if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list) + tp->ucopy.dma_chan = get_softnet_dma(); + if (tp->ucopy.dma_chan) ret = tcp_v4_do_rcv(sk, skb); + else +#endif + { + if (!tcp_prequeue(sk, skb)) + ret = tcp_v4_do_rcv(sk, skb); + } } else sk_add_backlog(sk, skb); bh_unlock_sock(sk); @@ -1296,6 +1307,11 @@ int tcp_v4_destroy_sock(struct sock *sk) /* Cleans up our, hopefully empty, out_of_order_queue. */ __skb_queue_purge(&tp->out_of_order_queue); +#ifdef CONFIG_NET_DMA + /* Cleans up our sk_async_wait_queue */ + __skb_queue_purge(&sk->sk_async_wait_queue); +#endif + /* Clean prequeue, it must be empty really */ __skb_queue_purge(&tp->ucopy.prequeue); |